Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.

Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.

If your child likes to carry, then this is the worksheet for her!

Practice three-digit addition with regrouping in this set of 36 problems.